Rollup merge of #110072 - joshtriplett:stabilize-is-terminal, r=Mark-Simulacrum

Stabilize IsTerminal

FCP completed in https://github.com/rust-lang/rust/issues/98070 .

closes: https://github.com/rust-lang/rust/issues/98070

compiler/rustc_driver_impl/src/lib.rs

@@ -5,7 +5,6 @@
 //! This API is completely unstable and subject to change.
 
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
-#![feature(is_terminal)]
 #![feature(lazy_cell)]
 #![feature(decl_macro)]
 #![recursion_limit = "256"]

compiler/rustc_errors/src/lib.rs

@@ -6,7 +6,6 @@
 #![feature(array_windows)]
 #![feature(drain_filter)]
 #![feature(if_let_guard)]
-#![feature(is_terminal)]
 #![feature(adt_const_params)]
 #![feature(let_chains)]
 #![feature(never_type)]

compiler/rustc_log/src/lib.rs

@@ -40,7 +40,6 @@
 
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]
-#![feature(is_terminal)]
 
 use std::env::{self, VarError};
 use std::fmt::{self, Display};